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近,一个自动化产品供应商和用户团体的发言人述说了一个很有意思的统计结果。他说道:运行在当今工厂中50%的DCS平台(集散控制系统)都至少有20年的历史了。鉴于这点,不难理解为什么很多人都在考虑控制系统的升级,因为公司正面临着设备老化带来的成本持续增加和竞争的压力。RMS420-5520DT-002 RadiSys
是否仅仅因为你的控制系统已经有20年的历史,走完了它寿命的一半,就开始考虑更换它呢?这不是的,就好比你思考购买一辆1987年的二手车。老化的DCS系统可能仍能地完成过程控制,但是就和二手车一样,他需要更多的维护,而且肯定比新型设计缺少一些功能,即使你认为那些新功能并不重要,终你要面临是很多零件越来越难买到,维护系统变得越来越花钱。RMS420-5520DT-002 RadiSys
服役时间问题对于升级系统无疑是关键问题,功能问题其实也不容忽视。有些功能可以给你带来增值,但新型系统不具有所有这些功能。RMS420-5520DT-002 RadiSys
控制系统的升级有两个主要原因:系统老化和功能需求。
第一个也是重要的推动系统更新的原因是系统老化。当一个平台已经失效,而且供应商不再对其提供支持,那么继续使用它的风险是很大的。新更换的硬件也很容易出问题,用户只好靠不断更换零件来苟延残喘,一旦系统的某个零件停产,无法更换,整个过程单元就报废了。
然而,一些工厂经理不得不经历一个艰难的过程。Rockwell Automation公司老式DCS系统升级项目的经理Mike Vernak说道:“仅仅因为老化就更新是很困难的。工厂经理时常对他工厂的工程师说:‘如果系统仍在工作,没有停机,我是不会仅仅因为系统老化就花钱换新系统的。’当然,如果系统停机,ROI很容易计算,但是没有停机,根本无从计算ROI。”
系统老化带来显著的影响是性能的不可靠。然而,还有一些侧面影响,包括知识结构老化。Vernak补充道:“公司发现为那些有20或者25年历史的老系统维持一个技术团队很困难,特别是OEM厂商,有时根本没有技术人员,可能是由于人员流失或者退休。刚毕业的22岁或者24岁的大学生根本不懂得那些技术。我听到如同‘那个系统比我还老,大学里根本没教过。’之类的话,他们确实不知道如何对付这些设备,如果要对他们重新培训,代价也是很昂贵的。我看到有些公司的工厂中有多种DCS系统和PLC系统,很难想象每年工厂经理为了多种控制系统而维持多个技术团队是多么昂贵。”
第二个系统更新的原因是功能需求。不要很老的系统才会缺乏一些很有用的功能。例如,如果系统不具有I/O能力,无法完成HART诊断,就可能不支持资产管理程序。还有可能系统的连通性不足,无法与企业级系统集成。
ABB负责控制系统更新的业务开发经理John Murray说道:他的团队对公司升级控制平台的原因进行了调查。“调查结果令我们很惊讶,超过50%的受访者说他们考虑升级系统的原因是为了提升操作人员的效率和优化维护程序。今天,我们看到很多这种例子,人们明白他们应该从何入手,进行改进。这种说法是老生常谈了,但的确是卓有成效。一些例如资产管理、信息管理和数据挖掘之类的解决方案,如果应用得当,确实可以带来很大的优点。那些我们称之为传统控制系统的,不得不添加这些功能。”
用诚信的心,真诚的为您服务!
3HAA0001- BP S3 Brake Release unit
3HAA 3563-ARA S3 Servo Backplane
3HNE 00313-1 S4C Teach Pendant standard length
ABB 2668 178-1 3HAA0001-ADX/O
ABB 4KW ACS40000632
ABB ACS401 Inverter
ABB ASEA 250-8 YT212001-AE/2 SERVO POWER BOARD
ABB ASEA YTEA 250-15 AMP BOARD
ABB ASEA YYT102D SERVO CONTROL BOARD YT212001-AL7
ABB AXIS DRIVE DSQC 345C
ABB AXIS DRIVE DSQC 346G
ABB BOARD DSQC 223
ABB BOARD DSQC 230
ABB BOARD DSQC 236A
ABB BOARD DSQC 236C
ABB BOARD DSQC 236G
ABB BOARD DSQC 236P
ABB BOARD DSQC 236T
ABB BOARD DSQC 249A
ABB BOARD DSQC 249B
ABB BOARD DSQC 252
ABB BOARD DSQC 266G
ABB BOARD DSQC 266T
ABB BOARD DSQC 317 MEMORY BOARD
ABB BOARD DSQC 363 ROBOT COMPUTER
ABB Brake Release Unit Complete contains circuit board type 3HAA
ABB CONTROL PANEL 3HAA3563-AAA
ABB DSDX B001 CIRCUIT BOARD
ABB DSQC 123B
ABB DSQC 202
ABB DSQC 210
ABB DSQC 210 (CIRCUIT BOARD)
ABB DSQC 211
ABB DSQC 230 (CIRCUIT BOARD)
ABB DSQC 233 YB560103BD/3 3HAB2214-8/3
ABB DSQC 235A
abb dsqc 236b
ABB DSQC 236C
ABB DSQC 236I
ABB DSQC 236T
ABB DSQC 243 3HAA-0001-CP/Z
ABB DSQC 249A
ABB DSQC 249B
ABB DSQC 252
ABB DSQC 256A 3HAB2211-1/1
ABB DSQC 256A
ABB DSQC 314B
ABB DSQC 331
ABB DSQC 346U 3HAB8101-13/07B
ABB DSQC123B
ABB INPUT/OUTPUT CARD DSQC 223
ABB RACKING DSQC 330
ABB Robot Manuals and Schematics on CD
ABB Robotics Teach Pendant.
ABB ROBOTICS YB 560-101-SV DISPLAY
ABB ROBOTICS YB560103 BC SCREEN
ABB S4 Main Computer Board DSQC 325 (3HAB 2241-1)
ABB S4 TEACH PENDANT
ABB SAFETY RUN CHAIN BOARD DSQC 256A
ABB SOFTSTART PSD110 ISFA 884205-BNF
ABB SOFTSTART PSD75 ISFA 884204-ALF
ABB YTE 102C
ABB YTE102A
ABB YTE102A
ABB YTE102B
ABB YTE102C
ABB YTEA 2508
ABB YTEA 2508
ABB YYT 102B
ABB YYT 102F
cabinet S4C model M97A IRB1400
DSCA 114 5751 0001-AA S2 Asynchronous comm. board
DSCA 121 5752 0001-U S2 PD Bus Comm. Board
DSCA 121 PD Bus Comm. Board
DSDI 130 Digital Input Board 110v AC
DSDO 130 Digital Output Board 24/240V AC/DC
DSDX 110 Digital Input Output Board
DSDX B001 Digital I/O Board
DSMB 124 5736 0001-U S2 Prom R/W Memory Board
DSMB 124 PROM R/W Memory Board
DSMB 125 5736 0001-AN S2 Prom R/W Memory Board
DSMB 125 PROM R/W Memory Board
DSMB 127 64KB R/W Memory Board
DSMC 110 5733 0001-N S2
DSPA 110 YB 161 102-K S2 Axis
DSPA 110 Axis
DSPC 153 5731 0256-BA S2 Main processor board
DSPC 153 Main Processor Board
DSPC 157 5731 0001-GP S2 Main processor board
DSPC 157 Main Processor Board
DSQC 101 Terminal Unit for Basic I/O
DSQC 103 YB 161 102-AD S2 Resolver exciter board
DSQC 103 Resolver Exciter Board
DSQC 105 Control module
DSQC 107 Floppy disk cable and small interface Board
DSQC 115 Resolver Exciter + 2 Analogue Ouput Channnels Board
DSQC 116 YB 161 102-BE S2 Regulator unit 24/5V
DSQC 116 Regulator Unit 24/5V Power Supply
DSQC 123B RD/DA Converter Board
DSQC 129 YB 161 102-BV S2 RD/DA converter board
DSQC 129 RD/DA Converter Board
DSQC 142 Tacho Supervision Board
DSQC 142Tacho Supervision Board
DSQC 200 Operator Panel Board
DSQC 202 Robot Computer M87, M8
DSQC 208 External Axis Interface Board
DSQC 208A External Axis Interface Board
DSQC 209 Analogue I/O Board
DSQC 210 YB 560 103-AM S3 Safety board
DSQC 210 Safety Board
DSQC 211 Power Supply
DSQC 211 YB 560 103-AN S3 Power Supply
DSQC 215 YB 560 103-BF S3 Robot Computer
DSQC 215 Robot Computer
DSQC 223 YB 560 103-BD S3
DSQC 223 Digital I/O Boar
DSQC 224 Combi I/O Board
DSQC 227 Winchester Interface Board
DSQC 228 Safety Board
DSQC 230 Robot Computer Board
DSQC 233 YB 560 103-BS S3 External axis board
DSQC 233 External Axis Board
DSQC 235A Rectifier Unit
DSQC 235B Servo Rectifier IRB 6000
DSQC 236A Servo Drive Unit
DSQC 236B Servo Drive Unit
DSQC 236C Servo Drive unit
DSQC 236D 3HAB 2207-1 S4 Servo power unit (3 axis)
DSQC 236D Servo power unit (3 axis) suitable for: IRB 2000 (Axis
DSQC 236G Servo Drive Unit
DSQC 236H Servo Power Unit suitable for: IRB 2400 S4 M96 (Axis 1
DSQC 236K Servo Power Unit suitable for: IRB 2400 S4 M96 (Axis 4
DSQC 236P 3HAA 3563-AJA S3 Servo power unit (3 axis)
DSQC 236P Servo Drive Unit (3 Axis)
DSQC 236T Servo Drive Unit
DSQC 238 Resolver Filter Board
DSQC 239 YB 560 103-CH S3 Remote I/O (RIO)
DSQC 239 Remote I/O (RIO)
DSQC 241 POWER SUPPLY
DSQC 243 3HAA 0001-CP S3 SMB
DSQC 248 3HAA 3563-AAA S3 Teach pendant board
DSQC 252 3HAA 3563-ALA S3 Safety board
DSQC 253 Serial Measurement Board SMB Model: 3HAA 3563-AMA
DSQC 254 3HAA 3563-APA S3
DSQC 256A 3HAB 2211-1 S3/S4 System board
DSQC 258 3HAA 3563-AUA S3&S4 Power supply
DSQC 258 POWER SUPPLY
DSQC 258 Power Supply Unit which is suitable for S4 cabinet typ
DSQC 259 3HAB 2205-1 S4 Noise Eliminator Board
DSQC 266C Servo Power Board suitable for: IRB 2000 (Axis 2,7) IR
DSQC 266H Servo Drive Unit
DSQC 266T Servo Drive Unit suitable for: IRB 6000 (Axis 1,2,3,7
DSQC 301 3HAA 3573-ABA S4 Programmable unit board
DSQC 313 3HAB 2213-1/3 S4 SMB
DSQC 314A
DSQC 314B DSQC 314B Rectifier Unit also called a DC Link DSQC 31
DSQC 324 3HAB 5957-1/3 S4C Memory Board 16Mb
DSQC 326 3HAB 2242-1 S4 Robot Computer
DSQC 327 3HAC17971-1 S4C & S4C Plus
DSQC 328 3HAC 17970-1 S4C Digital I/O Unit
DSQC 332 3HAB9669-1 S4C Relay I/O Unit
DSQC 336 3HNE 00001/07 S4C Ethernet Communication Board (N
DSQC 344 3HAB 7686-1/013 S4C Interbus S Interface Board
DSQC 351 Interbus-S
DSQC 652 3HAC025917-001/00 IRC5 Digital Input Output Bd
QHNM 302 S1 Interrupt & power fail board
S4 Teach Pendant Screen TPU1
S4C Teach Pendant
SIEMENS DSQC 249A
YB 161 100-DP S2 Teach pendant 6m cable
YB560 100-BBA S3 Teach Pendant 10 m cable
YB560 100-EA S3 Teach Pendant 10 m cable 19 way plug
YTE 102A
YTE 102A Servo Drive Unit YT213 001 AA
YTE 102B Servo Drive Unit (fused type) YT213 001 BB
YTE 102B Servo Drive Unit YT213 001 AB
YTE 102C Servo Drive Unit
YTEA 250-8 YT 212 001-AE S2 Servo power board
YYT 102B ASEA (CIRCUIT BOARD)
YYT 102C YT 213 001-BC/2 S2 Servo control